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	<title>The Why Files &#187; Earth &amp; Space</title>
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	<link>http://whyfiles.org</link>
	<description>The Science Behind The News</description>
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		<title>No joke: Laughing gas attacks ozone!</title>
		<link>http://whyfiles.org/2009/no-joke-laughing-gas-attacks-ozone/</link>
		<comments>http://whyfiles.org/2009/no-joke-laughing-gas-attacks-ozone/#comments</comments>
		<pubDate>Thu, 03 Sep 2009 20:19:42 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[Antarctic ozone hole]]></category>
		<category><![CDATA[laughing gas]]></category>
		<category><![CDATA[Montreal Protocol]]></category>
		<category><![CDATA[nitrous oxide]]></category>
		<category><![CDATA[ozone]]></category>
		<category><![CDATA[ozone depleting substances]]></category>
		<category><![CDATA[ozone depletion potential]]></category>
		<category><![CDATA[ozone layer]]></category>
		<category><![CDATA[stratospheric ozone]]></category>
		<category><![CDATA[ultraviolet radiation]]></category>
		<category><![CDATA[UV-B]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=2773</guid>
		<description><![CDATA[The ozone layer protects Earth from UV rays: Twenty-two years after a treaty to protect ozone, how is the layer doing? What has happened to the ozone hole above Antarctica?]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/no-joke-laughing-gas-attacks-ozone/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Brit astronomers reveal sizzling cosmic tryst!</title>
		<link>http://whyfiles.org/2009/brit-astronomers-reveal-sizzling-cosmic-tryst/</link>
		<comments>http://whyfiles.org/2009/brit-astronomers-reveal-sizzling-cosmic-tryst/#comments</comments>
		<pubDate>Thu, 27 Aug 2009 21:38:23 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[Coel Hellier]]></category>
		<category><![CDATA[extra-solar planet]]></category>
		<category><![CDATA[hot Jupiter]]></category>
		<category><![CDATA[internal structure of stars]]></category>
		<category><![CDATA[new planet]]></category>
		<category><![CDATA[planet search]]></category>
		<category><![CDATA[Planet WASP-18b]]></category>
		<category><![CDATA[Q value of stars]]></category>
		<category><![CDATA[transit]]></category>
		<category><![CDATA[wasp]]></category>
		<category><![CDATA[Wide-Angle Search for Planets]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=2726</guid>
		<description><![CDATA[A planet newly found in the southern sky is perilously close to its star, orbiting in less than 1 Earth day. Within 10 years, this planet may force a new understanding of star-guts.]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/brit-astronomers-reveal-sizzling-cosmic-tryst/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Fertilizing the ocean</title>
		<link>http://whyfiles.org/2009/fertilizing-the-ocean/</link>
		<comments>http://whyfiles.org/2009/fertilizing-the-ocean/#comments</comments>
		<pubDate>Thu, 06 Aug 2009 23:57:17 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Abilities of technological design]]></category>
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		<category><![CDATA[The future]]></category>
		<category><![CDATA[algae]]></category>
		<category><![CDATA[carbon dioxide]]></category>
		<category><![CDATA[geoengineering]]></category>
		<category><![CDATA[global warming]]></category>
		<category><![CDATA[iron fertilization]]></category>
		<category><![CDATA[iron seeding]]></category>
		<category><![CDATA[john martin]]></category>
		<category><![CDATA[martin hypothesis]]></category>
		<category><![CDATA[oceanography]]></category>
		<category><![CDATA[plankton]]></category>
		<category><![CDATA[science process]]></category>
		<category><![CDATA[side effects]]></category>
		<category><![CDATA[southern ocean]]></category>
		<category><![CDATA[thermocline]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=2702</guid>
		<description><![CDATA[As Earth warms, we may need huge geoengineering projects to fight climate change. Would adding iron to fertilize ocean plants withdraw enough carbon dioxide to slow warming? Could the plan backfire?]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/fertilizing-the-ocean/feed/</wfw:commentRss>
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		<title>&#8220;No prob&#8221; sez life to crashing asteroids!</title>
		<link>http://whyfiles.org/2009/crashing-asteroids/</link>
		<comments>http://whyfiles.org/2009/crashing-asteroids/#comments</comments>
		<pubDate>Thu, 21 May 2009 19:50:43 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[Microworld]]></category>
		<category><![CDATA[Origin and evolution of the earth system]]></category>
		<category><![CDATA[Understandings about science and technology]]></category>
		<category><![CDATA[asteroid impact]]></category>
		<category><![CDATA[early life]]></category>
		<category><![CDATA[geologic bacteria]]></category>
		<category><![CDATA[Hadean eon]]></category>
		<category><![CDATA[high-temperature bacteria]]></category>
		<category><![CDATA[hyperthermophile]]></category>
		<category><![CDATA[late heavy bombardment]]></category>
		<category><![CDATA[origin of life]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1938</guid>
		<description><![CDATA[The "late heavy bombardment" burned out any life that was around 4 billion years ago -- or not... Plenty of high temperature bacteria could have survived in deep rocks, says a new study.]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/crashing-asteroids/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Mystery of the disappearing ice sheet</title>
		<link>http://whyfiles.org/2008/mystery-of-the-disappearing-ice-sheet/</link>
		<comments>http://whyfiles.org/2008/mystery-of-the-disappearing-ice-sheet/#comments</comments>
		<pubDate>Thu, 04 Sep 2008 21:38:19 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Anders Carlson]]></category>
		<category><![CDATA[Canada]]></category>
		<category><![CDATA[climate prediction]]></category>
		<category><![CDATA[Greenland ice sheet]]></category>
		<category><![CDATA[Greenland icecap]]></category>
		<category><![CDATA[ice sheet]]></category>
		<category><![CDATA[Laurentide ice sheet]]></category>
		<category><![CDATA[rapid melting]]></category>
		<category><![CDATA[sea level rise]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1063</guid>
		<description><![CDATA[Rapid melting of Canadian ice sheet suggests that Greenland's massive ice cap could melt and raise sea level much faster than predicted within a century.]]></description>
		<wfw:commentRss>http://whyfiles.org/2008/mystery-of-the-disappearing-ice-sheet/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Looking anew at diamonds</title>
		<link>http://whyfiles.org/2008/looking-anew-at-diamonds/</link>
		<comments>http://whyfiles.org/2008/looking-anew-at-diamonds/#comments</comments>
		<pubDate>Thu, 10 Jan 2008 21:32:04 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[blue diamond]]></category>
		<category><![CDATA[conflict diamond]]></category>
		<category><![CDATA[fingerprint]]></category>
		<category><![CDATA[Hope diamond]]></category>
		<category><![CDATA[phosphorescence]]></category>
		<category><![CDATA[red]]></category>
		<category><![CDATA[spectroscopic]]></category>
		<category><![CDATA[spectroscopy]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1032</guid>
		<description><![CDATA[New analysis uses light to distinguish one diamond from another. Technique may help jewelers, but won't help the battle against the "conflict diamonds" that are fueling wars in Africa.]]></description>
		<wfw:commentRss>http://whyfiles.org/2008/looking-anew-at-diamonds/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Tales from the solar system: Voyagers told &#8216;em best!</title>
		<link>http://whyfiles.org/2007/tales-from-the-solar-system-voyagers-told-em-best/</link>
		<comments>http://whyfiles.org/2007/tales-from-the-solar-system-voyagers-told-em-best/#comments</comments>
		<pubDate>Fri, 07 Sep 2007 01:11:53 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Origin and evolution of the earth system]]></category>
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		<category><![CDATA[Callisto]]></category>
		<category><![CDATA[edge of solar system]]></category>
		<category><![CDATA[Europa]]></category>
		<category><![CDATA[Ganymede]]></category>
		<category><![CDATA[Io]]></category>
		<category><![CDATA[Jupiter]]></category>
		<category><![CDATA[moons]]></category>
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		<category><![CDATA[planetary science]]></category>
		<category><![CDATA[Saturn]]></category>
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		<category><![CDATA[Titan]]></category>
		<category><![CDATA[Triton]]></category>
		<category><![CDATA[Uranus]]></category>
		<category><![CDATA[Voyager spacecraft]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1014</guid>
		<description><![CDATA[The Long Goodbye: 30 years after blast-off, two Voyager spaceships have reached the edge of the solar system. Meet the missions that revolutionized the study of planets and moons.]]></description>
		<wfw:commentRss>http://whyfiles.org/2007/tales-from-the-solar-system-voyagers-told-em-best/feed/</wfw:commentRss>
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		</item>
		<item>
		<title>Ultimate Storm: What are hurricanes?</title>
		<link>http://whyfiles.org/2007/hurricane-science/</link>
		<comments>http://whyfiles.org/2007/hurricane-science/#comments</comments>
		<pubDate>Thu, 23 Aug 2007 21:40:03 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<guid isPermaLink="false">http://whyfiles.org/?p=592</guid>
		<description><![CDATA[How do they form? How do we predict their paths? How can we improve predictions?]]></description>
		<wfw:commentRss>http://whyfiles.org/2007/hurricane-science/feed/</wfw:commentRss>
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		<item>
		<title>What we did on our summer vacation: Visit Mars!</title>
		<link>http://whyfiles.org/2007/what-we-did-on-our-summer-vacation-visit-mars/</link>
		<comments>http://whyfiles.org/2007/what-we-did-on-our-summer-vacation-visit-mars/#comments</comments>
		<pubDate>Thu, 26 Jul 2007 22:36:00 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[crater]]></category>
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		<category><![CDATA[gully]]></category>
		<category><![CDATA[ice cap]]></category>
		<category><![CDATA[mars]]></category>
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		<category><![CDATA[rover]]></category>
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		<category><![CDATA[search for life]]></category>
		<category><![CDATA[water]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1006</guid>
		<description><![CDATA[It's a boom time for studying Mars, and the perfect time for the be-all, end-all summer vacation. Ride a robot rover. Dune-buggy an unearthly dune field. Even meet-and-greet a real live Martian! All aboard for Mars!]]></description>
		<wfw:commentRss>http://whyfiles.org/2007/what-we-did-on-our-summer-vacation-visit-mars/feed/</wfw:commentRss>
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		<item>
		<title>Super View of Supernova</title>
		<link>http://whyfiles.org/2007/super-view-of-supernova/</link>
		<comments>http://whyfiles.org/2007/super-view-of-supernova/#comments</comments>
		<pubDate>Thu, 01 Mar 2007 21:44:11 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[neutron star; dumbbell shape]]></category>
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		<category><![CDATA[three rings]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=974</guid>
		<description><![CDATA[After 20 years, star explosion reveals more secrets. What gives in these giant bangs?
]]></description>
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